On Thu, 18 Nov 2010 08:12:54 +0000Mel Gorman <mel@csn.ul.ie> wrote:> > > I'm hoping that this series also removes the> > > necessity for the "delete lumpy reclaim" patch from the THP tree.> > > > Now I'm sad. I read all that and was thinking "oh goody, we get to> > delete something for once". But no :(> > > > If you can get this stuff to work nicely, why can't we remove lumpy> > reclaim?> > Ultimately we should be able to. Lumpy reclaim is still there for the> !CONFIG_COMPACTION case and to have an option if we find that compaction> behaves badly for some reason.>

Hmm. CONFIG_COMPACTION depends on CONFIG_MMU. lumpy reclaim will be for NOMMU,finally ?